Python MatrixModelerWidget.setValue方法代码示例

# 需要导入模块: from processing.gui.matrixmodelerwidget import MatrixModelerWidget [as 别名]
# 或者: from processing.gui.matrixmodelerwidget.MatrixModelerWidget import setValue [as 别名]
class ModelerParameterDefinitionDialog(QDialog):

    def __init__(self, alg, paramType=None, param=None):
        self.alg = alg
        self.paramType = paramType
        self.param = param
        QDialog.__init__(self)
        self.setModal(True)
        self.setupUi()
        settings = QgsSettings()
        self.restoreGeometry(settings.value("/Processing/modelParametersDefinitionDialogGeometry", QByteArray()))

    def closeEvent(self, event):
        settings = QgsSettings()
        settings.setValue("/Processing/modelParametersDefinitionDialogGeometry", self.saveGeometry())
        super(ModelerParameterDefinitionDialog, self).closeEvent(event)

    def setupUi(self):
        self.setWindowTitle(self.tr('Parameter Definition'))
        self.setMinimumWidth(300)

        self.verticalLayout = QVBoxLayout(self)
        self.verticalLayout.setMargin(20)

        self.label = QLabel(self.tr('Parameter name'))
        self.verticalLayout.addWidget(self.label)
        self.nameTextBox = QLineEdit()
        self.verticalLayout.addWidget(self.nameTextBox)

        if isinstance(self.param, QgsProcessingParameterDefinition):
            self.nameTextBox.setText(self.param.description())

        if self.paramType == parameters.PARAMETER_BOOLEAN or \
                isinstance(self.param, QgsProcessingParameterBoolean):
            self.state = QCheckBox()
            self.state.setText(self.tr('Checked'))
            self.state.setChecked(False)
            if self.param is not None:
                self.state.setChecked(bool(self.param.defaultValue()))
            self.verticalLayout.addWidget(self.state)
        elif self.paramType == parameters.PARAMETER_TABLE_FIELD or \
                isinstance(self.param, QgsProcessingParameterField):
            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            idx = 0
            for param in list(self.alg.parameterComponents().values()):
                definition = self.alg.parameterDefinition(param.parameterName())
                if isinstance(definition, (QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer)):
                    self.parentCombo.addItem(definition.description(), definition.name())
                    if self.param is not None:
                        if self.param.parentLayerParameterName() == definition.name():
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.verticalLayout.addWidget(self.parentCombo)

            # add the datatype selector
            self.verticalLayout.addWidget(QLabel(self.tr('Allowed data type')))
            self.datatypeCombo = QComboBox()
            self.datatypeCombo.addItem(self.tr('Any'), -1)
            self.datatypeCombo.addItem(self.tr('Number'), 0)
            self.datatypeCombo.addItem(self.tr('String'), 1)
            self.datatypeCombo.addItem(self.tr('Date/time'), 2)
            self.verticalLayout.addWidget(self.datatypeCombo)

            if self.param is not None and self.param.dataType() is not None:
                # QComboBoxes indexes start at 0,
                # self.param.datatype start with -1 that is why I need to do +1
                datatypeIndex = self.param.dataType() + 1
                self.datatypeCombo.setCurrentIndex(datatypeIndex)

            self.multipleCheck = QCheckBox()
            self.multipleCheck.setText(self.tr('Accept multiple fields'))
            self.multipleCheck.setChecked(False)
            if self.param is not None:
                self.multipleCheck.setChecked(self.param.allowMultiple())
            self.verticalLayout.addWidget(self.multipleCheck)

            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            self.defaultTextBox.setToolTip(
                self.tr('Default field name, or ; separated list of field names for multiple field parameters'))
            if self.param is not None:
                default = self.param.defaultValue()
                if default is not None:
                    self.defaultTextBox.setText(str(default))
            self.verticalLayout.addWidget(self.defaultTextBox)

        elif self.paramType == parameters.PARAMETER_BAND or \
                isinstance(self.param, QgsProcessingParameterBand):
            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            idx = 0
            for param in list(self.alg.parameterComponents().values()):
                definition = self.alg.parameterDefinition(param.parameterName())
                if isinstance(definition, (QgsProcessingParameterRasterLayer)):
                    self.parentCombo.addItem(definition.description(), definition.name())
                    if self.param is not None:
                        if self.param.parentLayerParameterName() == definition.name():
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
#.........这里部分代码省略.........